I know, it seems unlikely that you could use DOS to get your emails. However just when you are asking what you can do with DOS? Along comes a graphical email client, FLMail.
Best part, this one is free and comes complete with SSL.
Take a look over here : Link is clicky-able
https://code.google.com/p/nanox-microwindows-nxlib-fltk-for-dos/wiki/FlMail
The file is available HERE <- More Clicky things
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